Finding the Fourth Proportional to 552,991,988.81, 763,140,194.13 and 302,112,630.09
Calculator
Solution
The fourth proportional to 552,991,988.81, 763,140,194.13 and 302,112,630.09 is: 416,921,575.44
Step by Step Solution
- Step 1: Write the proportion equation
552,991,988.81 : 763,140,194.13 = 302,112,630.09 : x - Step 2: Convert to fraction form
552,991,988.81/763,140,194.13 = 302,112,630.09/x - Step 3: Cross multiply
552,991,988.81x = 763,140,194.13 × 302,112,630.09 - Step 4: Simplify right side
552,991,988.81x = 230,554,291,176,007,456 - Step 5: Solve for x
x = 230,554,291,176,007,456/552,991,988.81 - Step 6: Final answer
x = 416,921,575.44
Related Problems
Find fourth proportional to 276,495,994.40, 381,570,097.07 and 151,056,315.05
Half scale
Find fourth proportional to 1,105,983,977.61, 1,526,280,388.26 and 604,225,260.18
Double scale
Find fourth proportional to 552,991,989.81, 763,140,195.51 and 302,112,631.09
Similar ratio
Find fourth proportional to 829,487,983.21, 1,144,710,291.20 and 453,168,945.14
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.